package com.jgraves.WikiToSpeech;

import java.util.ArrayList;
import java.util.List;

import android.content.Context;
import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteOpenHelper;
import android.database.sqlite.SQLiteStatement;

public class History {

	private static final String DATABASE_NAME = "history.db";
	private static final int DATABASE_VERSION = 1;
	private static final String TABLE_NAME = "table1";
//	private static final String KEY_WORD = "name";

	private Context context;
	private SQLiteDatabase db;

	private SQLiteStatement insertStmt;
	private static final String INSERT = "insert into " 
		+ TABLE_NAME + "(name) values (?)";

	public History(Context context) {
		this.context = context;
		OpenHelper openHelper = new OpenHelper(this.context);
		this.db = openHelper.getWritableDatabase();
		this.insertStmt = this.db.compileStatement(INSERT);
	}

	public long insert(String history) {
		this.insertStmt.bindString(1, history);
		return this.insertStmt.executeInsert();
	}

	public void deleteAll() {
		this.db.delete(TABLE_NAME, null, null);
	}

	public List<String> selectAll() {
		List<String> list = new ArrayList<String>();
		Cursor cursor = this.db.query(TABLE_NAME, new String[] { "name" }, 
				null, null, null, null, "name desc");
		if (cursor.moveToFirst()) {
			do {
				list.add(cursor.getString(0)); 
			} while (cursor.moveToNext());
		}
		if (cursor != null && !cursor.isClosed()) {
			cursor.close();
		}
		return list;
	}

	private static class OpenHelper extends SQLiteOpenHelper {

		OpenHelper(Context context) {
			super(context, DATABASE_NAME, null, DATABASE_VERSION);
		}

		@Override
		public void onCreate(SQLiteDatabase db) {
			db.execSQL("CREATE TABLE " + TABLE_NAME + "(id INTEGER PRIMARY KEY, name TEXT)");
		}

		@Override
		public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
			db.execSQL("DROP TABLE IF EXISTS " + TABLE_NAME);
			onCreate(db);
		}
	}

}
